| 1 | package de.ugoe.cs.swe.bnftools.ui.refactoring.rename;
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| 2 |
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| 3 | import org.eclipse.core.commands.AbstractHandler;
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| 4 | import org.eclipse.core.commands.ExecutionEvent;
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| 5 | import org.eclipse.core.commands.ExecutionException;
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| 6 | import org.eclipse.jface.dialogs.MessageDialog;
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| 7 | import org.eclipse.jface.text.ITextSelection;
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| 8 | import org.eclipse.ltk.ui.refactoring.RefactoringWizard;
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| 9 | import org.eclipse.ltk.ui.refactoring.RefactoringWizardOpenOperation;
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| 10 | import org.eclipse.swt.widgets.Display;
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| 11 | import org.eclipse.ui.handlers.HandlerUtil;
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| 12 | import org.eclipse.xtext.parsetree.CompositeNode;
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| 13 | import org.eclipse.xtext.resource.IEObjectDescription;
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| 14 | import org.eclipse.xtext.resource.IResourceDescriptions;
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| 15 | import org.eclipse.xtext.ui.editor.XtextEditor;
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| 16 |
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| 17 | import com.google.inject.Inject;
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| 18 |
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| 19 | import de.ugoe.cs.swe.bnftools.ebnf.Rule;
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| 20 | import de.ugoe.cs.swe.bnftools.utils.EObjectSelectionResolver;
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| 21 | import de.ugoe.cs.swe.bnftools.utils.URIFragmentResolver;
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| 22 |
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| 23 | public class RenameRefactoringHandler extends AbstractHandler {
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| 24 |
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| 25 | @Inject
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| 26 | private IResourceDescriptions resourceDescriptions;
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| 27 |
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| 28 | // --------------------------------------------------------------------------------
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| 29 |
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| 30 | public Object execute(ExecutionEvent event) throws ExecutionException {
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| 31 | try {
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| 32 | String currentName = "";
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| 33 |
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| 34 | XtextEditor editor = (XtextEditor) HandlerUtil
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| 35 | .getActiveEditor(event);
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| 36 |
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| 37 | final ITextSelection selection = (ITextSelection) editor
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| 38 | .getSelectionProvider().getSelection();
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| 39 |
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| 40 | final IEObjectDescription eObjectDescription = editor
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| 41 | .getDocument()
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| 42 | .readOnly(
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| 43 | new EObjectSelectionResolver(selection, resourceDescriptions));
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| 44 |
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| 45 | CompositeNode o = editor.getDocument().readOnly(
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| 46 | new URIFragmentResolver(eObjectDescription.getEObjectURI()
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| 47 | .fragment()));
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| 48 |
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| 49 | if (o.getElement() instanceof Rule) {
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| 50 | Rule r = (Rule) o.getElement();
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| 51 | currentName = r.getName();
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| 52 | }
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| 53 |
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| 54 | RenameProcessor processor = new RenameProcessor(editor,
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| 55 | resourceDescriptions);
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| 56 | RenameRefactoring refactoring = new RenameRefactoring(processor);
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| 57 |
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| 58 | RenameRefactoringWizard wizard = new RenameRefactoringWizard(
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| 59 | refactoring, RefactoringWizard.WIZARD_BASED_USER_INTERFACE);
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| 60 | wizard.setRenameText(currentName);
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| 61 |
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| 62 | RefactoringWizardOpenOperation openOperation = new RefactoringWizardOpenOperation(
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| 63 | wizard);
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| 64 |
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| 65 | openOperation.run(Display.getCurrent().getActiveShell(),
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| 66 | "Refactoring not possible!");
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| 67 |
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| 68 | } catch (Exception e) {
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| 69 | MessageDialog.openInformation(
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| 70 | Display.getDefault().getActiveShell(),
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| 71 | "Rename Refactoring",
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| 72 | "Error while applying refactoring to workbench/wizard: "
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| 73 | + e.getMessage());
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| 74 | //e.printStackTrace();
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| 75 | }
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| 76 | return null;
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| 77 | }
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| 78 |
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| 79 | }
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